Coost Files

New features & improvement

• Improve cmake scripts and support Conan. Improve export of symbols in shared library. Thanks to SpaceIm.

• A better JSON library. Support precision control for float point numbers in Json. ```cpp // {"a":23,"b":false,"s":"xx","v":[1,2,3],"o":{"xx":0}} Json x = { { "a", 23 }, { "b", false }, { "s", "xx" }, { "v", {1,2,3} }, { "o", { {"xx", 0} }}, };

// equal to x Json y = Json() .add_member("a", 23) .add_member("b", false) .add_member("s", "xx") .add_member("v", Json().push_back(1).push_back(2).push_back(3)) .add_member("o", Json().add_member("xx", 0));

x.get("a").as_int(); // 23 x.get("s").as_string(); // "xx" x.get("v", 0).as_int(); // 1 x.get("v", 2).as_int(); // 3 x.get("o", "xx").as_int(); // 0 ```

• Add TLOG to print logs which are grouped by topics. cpp TLOG("rpc") << "hello " << 23; TLOG("xxx") << "hello " << 23;

• Improve exception handling in co/log on Windows. Thanks to 909254.

• Remove path from __FILE__ in co/log.

• Support alias for flag. Add api flag::alias(). cpp DEF_bool(debug, false, ""); // no alias DEF_bool(debug, false, "", d); // d is an alias of debug DEF_bool(debug, false, "", d, dbg); // 2 aliases

• Ignore non-existing flags in config file.

• Add --version for co/flag.

• --help shows only user-defined flags in co/flag by default, and limit flag level to [0-9].

• Add api flag::set_value() for setting value of a flag.

• Add log::set_write_cb() to set a callback for writting logs.

• Add macros __arch64, __arch32, __fname__ and __fnlen__ in co/def.h.

• Add a fast memory allocator. Provide co::stl_allocator for STL.

• Provide containers based on co::stl_allocator. See co/stl.h for details.

• Improve atomic operations, support memory order. Add atomic_cas as an alias of atomic_compare_swap and add atomic_bool_cas.

• Add nanoid(), md5digest(), sha256() in co/hash.h.

• Support HTTP protocol for JSON-based RPC framework.

• Support graceful exit for tcp::Server, http::Server, rpc::Server.

• Add fs::dir for readding directory.

• Support + mode for both read and write for fs::file.

• Support precision control for float point numbers.

```cpp fastream s; s << 3.14159; // "3.14159"

s.clear(); s.maxdp(3) << 3.14159; // "3.141"

s.clear(); s << co::maxdp(2) << 3.14159; // "3.14"

LOG << co::maxdp(2) << 1.234e-7; // "1.23e-7" ```

• Improve hook on macos with fishhook. Thanks to shuai132.

Changed

• Remove flag a from co/unitest, run all tests by default.

• Remove log::init(), log::close(), log::set_single_write_cb().

• Remove co::init(), co::exit().

• Rename co::all_schedulers() to co::schedulers().

• Rename co::Table to co::table.

• Remove atomic_get, use atomic_load instead.

• Remove atomic_set, use atomic_store instead.

• Remove atomic_reset, use atomic_store(&x, 0) instead.

• Remove err::get(), err::set(), use co::error() instead.

Bugs fixed

• Fix hook for ioctl. Thanks to Itmit.

• Fix hook for accept & accept4.

• Fix a bug in co::Event.